(19)

(11)

EP 4 278 352 A1

(12)

(43) Date of publication: 22.11.2023 Bulletin 2023/47 (21) Application number: 21844715.9 (22) Date of filing: 22.12.2021

(51) International Patent Classification (IPC):  G11C 7/06(2006.01) G11C 11/419(2006.01) (52) Cooperative Patent Classification (CPC): G11C 7/067; G11C 2207/063; G11C 11/419; G11C 2207/002 (86) International application number: PCT/EP2021/087395 (87) International publication number: WO 2022/152539 (21.07.2022 Gazette 2022/29)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 15.01.2021 US 202117149915 (71) Applicant: International Business Machines Corporation Armonk, New York 10504 (US)	(72) Inventors: CHAKRABORTY, Sudipto Coppell, Texas 75019-4642 (US) JOSHI, Rajiv Yorktown Heights, New York 10598-0218 (US) FRITSCH, Alexander BW 71032 Boeblingen (DE) WETTER, Holger BW 71032 Boeblingen (DE) (74) Representative: IBM United Kingdom Limited  Intellectual Property Law Hursley Park Winchester, Hampshire SO21 2JN Winchester, Hampshire SO21 2JN (GB)